You can shoot elephants behind the forelegs with an AK47 (7,65x39), also the .303 is used by poachers. But that is not ethical hunting. You can shoot like Bell with the 7x57, 173 gr at 2350 f/s if you are experienced like Bell to find the right spot for a side brain shot just in front of the earhole.
Green has been proven to be pleasing to human senses being associated with calmness, wealth, generosity, good luck and fertility. It is also the colour of peace. It is worth noting that the colour yellow biologically makes people feel more optimistic and energetic as it stimulates the release of the feel-good chemical seratonin.
The Best Colors for Relaxation. Warm colors are usually stimulating and not the best for a calm and relaxing environment. Blues, greens, and purples are the most relaxing colors, and they have a soothing effect on both the mind and the body.